122111102111 has 16 divisors (see below), whose sum is σ = 126916706400. Its totient is φ = 117345715200.

The previous prime is 122111102089. The next prime is 122111102149. The reversal of 122111102111 is 111201111221.

It is a cyclic number.

It is not a de Polignac number, because 122111102111 - 2³⁴ = 104931232927 is a prime.

It is a super-2 number, since 2×122111102111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122111102161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16567235 + ... + 16574603.

It is an arithmetic number, because the mean of its divisors is an integer number (7932294150).

Almost surely, 2^122111102111 is an apocalyptic number.

122111102111 is a deficient number, since it is larger than the sum of its proper divisors (4805604289).

122111102111 is a wasteful number, since it uses less digits than its factorization.

122111102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 122111102111 its reverse (111201111221), we get a palindrome (233312213332).

The spelling of 122111102111 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred two thousand, one hundred eleven".